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Technical Service Bulletin

Transaction No.: 2079645/2

01-25-06 - Misfire Due To Excess Intake Flashing

Condition

Applicable Vehicles
Model(s)

Year

Eng. Code

Atlas

2024 - 2026

Atlas Cross
Sport

2024 - 2026

2.0T
DRKB
2.0T
DRKB

Trans. Code

VIN Range
From

VIN Range To

All

All

All

All

All

All

Revision Table
Instance Number

Published Date

Version Number

Reason For Update

2079645/2

1/28/2026

01-25-06

Updated GFF Functions
(including Battery
Charge) labor operation
number

2079645/1

10/23/2025

01-25-06

Original publication

The MIL is flashing or illuminated.
One or more of the following fault code(s) are stored in the ECM fault memory:

DTC

Description

P0300

Random Misfire Detected

P0301 Cylinder 1 Misfire Detected
P0302 Cylinder 2 Misfire Detected
P0303 Cylinder 3 Misfire Detected
P0304 Cylinder 4 Misfire Detected

Engine may also exhibit reduced performance without significant loss of power.

Technical Background
Excess flashing left behind during the intake manifold injection molding process can cause a lean misfire in
affected cylinders.

Production Solution
Improvements made to the manufacturing process of the intake manifold.

Service
While performing the misfire diagnostics outlined in TSB 2033805 – Engine, Misfire Diagnostic Aid, if the
misfire does not move to another cylinder after swapping the spark plug and/or ignition coil, before swapping
fuel injectors, it is important to remove the intake manifold and check for signs of excess flashing in the
intake manifold ports.

1. Remove the intake manifold per the steps outlined in the repair manual.

2. Inspect the 4 intake ports for excess flashing in the areas circled in red below in figure 1.

Figure 1:

In figure 2 below, the green arrow shows an intake port without excess flashing, and the red arrow shows an
intake port with excess flashing.

Figure 2:

3. If excess flashing is found blocking the intake manifold port, rework of the intake manifold will be required.
See figure 3 below for another example.

Figure 3:

NOTICE
If no excess flashing is found blocking the intake manifold ports, this TSB does not apply, and further
diagnosis is necessary!

4. Identify the port(s) with excess flashing, and using a pair of needle nose pliers, securely grab the excess
flashing and twist the pliers, removing the excess flashing from the manifold. See figure 4 below.

Figure 4:

Figure 5:

NOTICE

Using a piece of white paper to set the removed flashing on is an easy way to keep track of the removed
material.

Figure 6:

WARNING
To prevent possible engine damage, ensure that none of the removed flashing falls into the intake
manifold runners!

Figure 7 below shows an example of the intake port before and after the rework procedure.

Figure 7:

5. Replace the intake manifold gasket, reinstall the intake manifold, and reassemble the vehicle per the
steps outlined in the repair manual.

6. If misfire faults are still present after performing the rework procedure on the intake manifold, further
diagnosis is needed, and this bulletin no longer applies.

Warranty

To determine if this procedure is covered under Warranty, always refer to the Warranty Policies and
Procedures Manual 1)
Model(s)

Year(s)

Atlas

2024 - 2026

Atlas Cross
Sport

2024 - 2026

Eng. Code(s)

Trans. Code(s)

VIN Range
From

VIN Range To

All

All

All

All

All

All

2.0T
DRKB
2.0T
DRKB
SAGA Coding

Claim Type:

Use applicable Claim Type 1)

Damage

Service Number:

Code

2447

0010

HST

Damage Location
(Depends on Service
No.)

--

--

MY24 Atlas / Atlas Cross Sport

WWO2)

MY25-26 Atlas / Atlas Cross Sport

VOA2)

Parts Manufacturer

Labor Operation 3): GFF Functions (including Battery
Charge)

27068950 = See Elsa for latest time units

Labor Operation 3): Air Cleaner Remove + Reinstall

24251930 = See Elsa for latest time units

Labor Operation 3): Intake Manifold Remove +
Reinstall

24471980 = See Elsa for latest time units

Labor Operation 3): Rework up to 4 ports on Intake
Manifold

24474199 = 10 TU max.

Causal Part: Select Labor Operation

24474199
Diagnostic Time 4)

GFF Time expenditure

01500060 = 50 TU max.

YES

Road Test

01210004 = 10 TU max.

YES

Technical Diagnosis

01320000 = 00 TU max.

NO

Claim Comment: Input “As per Technical Bulletin 2079645” in comment section of Warranty Claim.
1)

Vehicle may be outside any Warranty in which case this Technical Bulletin is informational only.

2)

Code per warranty vendor code policy.

3)

Labor Time Units (TUs) are subject to change with ELSA updates.

4)

Documentation required per Warranty Policies and Procedures Manual.

Required Parts and Tools

Part Number

Part Description

Quantity

See ETKA

Oil Filter and Sealing Ring

1

See ETKA

Intake Manifold Gasket

1

N 902 322 01

Self-locking Hex Head Bolt

1

(for engine support bracket)

Tool Description

Tool No.
GRX3000VAS

Midtronics Battery Tester/Charger

or
MTRMSP0702 battery maintainer/charger

VAS Diagnostic Tool

VAS 6150/X & VAS 6160/X with:
ODIS Service with current online updates.

Additional Information
All part and service references provided in this Technical Bulletin are subject to change and/or removal.
Always check with your Parts Dept. and Repair Manuals for the latest information.
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